135 lines
4.8 KiB
JavaScript
135 lines
4.8 KiB
JavaScript
/*************************************************************************/
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/* library_godot_runtime.js */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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const GodotRuntime = {
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$GodotRuntime: {
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/*
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* Functions
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*/
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get_func: function (ptr) {
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return wasmTable.get(ptr); // eslint-disable-line no-undef
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},
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/*
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* Prints
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*/
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error: function () {
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err.apply(null, Array.from(arguments)); // eslint-disable-line no-undef
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},
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print: function () {
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out.apply(null, Array.from(arguments)); // eslint-disable-line no-undef
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},
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/*
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* Memory
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*/
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malloc: function (p_size) {
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return _malloc(p_size); // eslint-disable-line no-undef
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},
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free: function (p_ptr) {
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_free(p_ptr); // eslint-disable-line no-undef
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},
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getHeapValue: function (p_ptr, p_type) {
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return getValue(p_ptr, p_type); // eslint-disable-line no-undef
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},
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setHeapValue: function (p_ptr, p_value, p_type) {
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setValue(p_ptr, p_value, p_type); // eslint-disable-line no-undef
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},
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heapSub: function (p_heap, p_ptr, p_len) {
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const bytes = p_heap.BYTES_PER_ELEMENT;
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return p_heap.subarray(p_ptr / bytes, p_ptr / bytes + p_len);
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},
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heapSlice: function (p_heap, p_ptr, p_len) {
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const bytes = p_heap.BYTES_PER_ELEMENT;
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return p_heap.slice(p_ptr / bytes, p_ptr / bytes + p_len);
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},
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heapCopy: function (p_dst, p_src, p_ptr) {
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const bytes = p_src.BYTES_PER_ELEMENT;
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return p_dst.set(p_src, p_ptr / bytes);
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},
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/*
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* Strings
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*/
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parseString: function (p_ptr) {
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return UTF8ToString(p_ptr); // eslint-disable-line no-undef
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},
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parseStringArray: function (p_ptr, p_size) {
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const strings = [];
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const ptrs = GodotRuntime.heapSub(HEAP32, p_ptr, p_size); // TODO wasm64
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ptrs.forEach(function (ptr) {
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strings.push(GodotRuntime.parseString(ptr));
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});
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return strings;
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},
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strlen: function (p_str) {
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return lengthBytesUTF8(p_str); // eslint-disable-line no-undef
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},
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allocString: function (p_str) {
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const length = GodotRuntime.strlen(p_str) + 1;
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const c_str = GodotRuntime.malloc(length);
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stringToUTF8(p_str, c_str, length); // eslint-disable-line no-undef
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return c_str;
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},
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allocStringArray: function (p_strings) {
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const size = p_strings.length;
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const c_ptr = GodotRuntime.malloc(size * 4);
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for (let i = 0; i < size; i++) {
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HEAP32[(c_ptr >> 2) + i] = GodotRuntime.allocString(p_strings[i]);
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}
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return c_ptr;
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},
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freeStringArray: function (p_ptr, p_len) {
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for (let i = 0; i < p_len; i++) {
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GodotRuntime.free(HEAP32[(p_ptr >> 2) + i]);
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}
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GodotRuntime.free(p_ptr);
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},
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stringToHeap: function (p_str, p_ptr, p_len) {
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return stringToUTF8Array(p_str, HEAP8, p_ptr, p_len); // eslint-disable-line no-undef
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},
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},
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};
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autoAddDeps(GodotRuntime, '$GodotRuntime');
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mergeInto(LibraryManager.library, GodotRuntime);
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